Meet three American families who have drastically altered their lifestyles in order to survive what they fear will be the end of the world.

Meet an eclectic group of preppers, all of whom are taking extreme measures to ready themselves for the end of the world.

Jay Blevins is a former law enforcement officer who is prepping with his family and neighbors for a global economic collapse. Brian Murdock and his Colombian wife-to-be Tatiana are preparing to relocate from suburban Somerville, Massachusetts to somewhere in Upstate New York. Tatiana overcomes her initial reluctance to Brian's prepping ways. Bryan and Lacey May are Indiana preppers preparing for an earthquake along the New Madrid Fault Line. They are stockpiling uses silver and gold to barter with, they also have a Massive Battery Backup to run their home with Wind and Solar Power and Stock food and antibiotics. Written by bryan may

A single dirty bomb could cause massive chaos.

Meet Jeff Bushaw, a full-time prepper who fears the eruption of the Yellowstone super volcano. Allen and Franco are neighbors who are preparing for a breakdown of the world food system. John Adrain is an inventor who fears a wide range of disasters. Written by Anonymous

Meet another group of unique preppers who are readying themselves and their families for the end of the world.

Follow three New Yorkers as they plot their routes out of the city, literally escaping the grid to reach safety.

Brent from Florida lives in fear of an electromagnetic pulse (EMP) that will make the world go dark, leaving his family of 12 with nothing.

Meet Bryan Smith, who lives in rural Florida and fears a looming economic collapse will lead to violent social unrest. Also meet Christine, who is anxiously preparing for a mega tsunami that she fears will devastate the East Coast.

Not all preppers are relying on their nuclear family to survive the end of time; to some, creating a tight-knit community of like-minded individuals is the difference between death and survival.

Doomsday Preppers visits the household of Amanda Bobbin, who began prepping after being warned in her sleep of imminent danger.

Former firefighter medics John and Kelly are motorcycle riders living on a prepping homestead in the mountains of Virginia in preparation for a total economic collapse.

Prepping for an economic collapse, Jeff is converting a decommissioned missile silo into the perfect bug-out getaway.

Meet Craig, a proud Alaskan living in the woods of Fairbanks, fearing the collapse of the American economy. He's secretly built a bug-out dome, designed by friend and prepping partner Don.

Meet the Coy family, who live in the shadow of Mount St. Helens and prep for its eruption.

Meet a descendant from the Hatfield clan who fears that the current political and economic state will lead to world war.

A couple protect themselves against an economic collapse by stockpiling canned goods, weapons and supplies, but they still need an underground bunker. Elsewhere, a well-off family plan to hide out in Costa Rica.

A Texan prepares for a cyber attack on the electrical grid by building an underground bunker. An expert on ancient weaponry teaches his enormous family how to live off the land. A Californian couple prepares to survive a second Great Depression. Written by Anonymous